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Home >> GMC >> 2024 >> Terrain AT4 >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Power Transfer Unit/Transfer Case - AAM >> Repair Instructions - On Vehicle >> Power Transfer Unit Face Seal Replacement >> Installation Procedure

Installation Procedure

  1. GM4574042Courtesy of GENERAL MOTORS COMPANY

    Install the NEW power transfer unit face seal (1) to the power transfer unit.

  2. Install the power transfer unit case to the vehicle. Power Transfer Unit Case Replacement (MNH) , or Power Transfer Unit Case Replacement (M3U) 
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